BULLOCK Meaning of BULLOCK in English bul ‧ lock /ˈbʊlək/ BrE AmE noun [countable] [ Language: Old English ; Origin: bulluc , from bula ; ⇨ ↑ bull 1 ] a young male cow that cannot breed Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012